A new study suggests ancient wood floated into a cave far above the Colorado River when a meteorite-induced earthquake ...

Cutting‑edge dating reveals driftwood high in Grand Canyon caves 55,250 years ago when a meteor’s shock wave blocked and ...

Geology is full of detective stories about the Earth's history, and a new paper in Geology by University of New Mexico ...

One of my favorite National Parks Road Trip itineraries is the Majestic Mountain Loop. This three-park (Sequoia, Kings C ...